immunize
B2Formal (medical/legal contexts); Neutral (general public health discussions).
Definition
Meaning
To make someone resistant to a disease, typically by administering a vaccine.
To protect someone from or make them less vulnerable to something harmful or undesirable; to grant legal exemption or protection.
Linguistics
Semantic Notes
Primarily used in medical contexts but has metaphorical extensions (e.g., 'immunized against criticism'). The focus is on the process of conferring immunity.
Dialectal Variation
British vs American Usage
Differences
In British English, 'immunise' is the preferred spelling, while 'immunize' is standard in American English. The medical meaning is identical.
Connotations
Identical in both varieties – strongly associated with public health and preventive medicine.
Frequency
Equally common in both varieties due to global health discourse. 'Vaccinate' is a more frequent synonym in everyday speech.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] immunizes [Object] against [Disease/Threat][Subject] is immunized against [Disease/Threat]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “(to be) immunized against criticism/fear/gossip”
Usage
Context Usage
Business
Rare. Possible in HR contexts regarding liability ('The contract immunizes the company from certain lawsuits').
Academic
Common in medical, public health, and biological sciences literature.
Everyday
Common in discussions about healthcare, children's schedules, and travel.
Technical
Core term in immunology, virology, and epidemiology.
Examples
By Part of Speech
verb
British English
- The NHS campaign aims to immunise all infants against measles.
- The new law will immunise officials from prosecution for decisions made in good faith.
American English
- All students must be immunized against hepatitis B before starting school.
- The agreement immunizes the corporation from future environmental claims.
adverb
British English
- The vaccine works immunisingly by stimulating antibody production. (Rare/Technical)
- The policy was designed immunisingly. (Rare/Technical)
American English
- The treatment acts immunizingly against the virus. (Rare/Technical)
- The clause functions immunizingly. (Rare/Technical)
adjective
British English
- The immunised cohort showed no signs of infection.
- An immunising dose was administered.
American English
- The immunized group was compared to the placebo group.
- We reviewed the immunizing agent's efficacy.
Examples
By CEFR Level
- The doctor will immunize the baby.
- Children are immunized against many diseases.
- It is important to immunize your pets against rabies.
- The health centre immunizes people for free.
- The government launched a campaign to immunize the entire population against the flu.
- Early exposure to small challenges can immunize you against later stress.
- Attempts to immunize the legislation from judicial review were ultimately unsuccessful.
- The strategy aims not just to treat but to immunize vulnerable communities against the economic shocks.
Learning
Memory Aids
Mnemonic
Think of 'IMMUNE' inside 'immunize' – you I.M.M.U.N.I.Z.E. someone to make them IMMUNE.
Conceptual Metaphor
HEALTH PROTECTION IS A SHIELD / PREVENTION IS A FORTIFICATION.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'иммунизировать' (direct equivalent). Beware of false friend 'иммунный' which is 'immune' (adjective), not the verb.
- Avoid calquing structures; use 'immunize against', not 'immunize from'.
Common Mistakes
- Incorrect preposition: 'immunize from' (use 'against').
- Spelling confusion: 'imunize' (missing one 'm').
- Using it as a noun ('an immunize').
Practice
Quiz
What is the PRIMARY meaning of 'immunize'?
FAQ
Frequently Asked Questions
In modern medical contexts, they are virtually synonymous. 'Immunize' emphasizes the outcome (conferring immunity), while 'vaccinate' emphasizes the action (administering a vaccine).
Yes, metaphorically. E.g., 'She was immunized against his flattery' means she was no longer affected by it. In law, it can mean to grant protection from liability.
Historically different, but now often used interchangeably. 'Inoculate' is a broader term that can include introducing any substance (not just a vaccine) to produce immunity. 'Immunize' is the most common term in public health.
Immunization (US) / Immunisation (UK). The person who receives it is 'immune' or has been 'immunized'.